// resize
(function(doc, win) {
    var docEl = doc.documentElement;
    var resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize';
    var recalc = function() {
        var clientWidth = docEl.clientWidth;
        if (!clientWidth) return;
        if (clientWidth >= 1440) {
            clientWidth = 1440;
        }
        if (clientWidth <= 1024) {
            clientWidth = 1024;
        }
        docEl.style.fontSize = 100 * (clientWidth / 1440) + 'px';
    };
    if (!doc.addEventListener) return;
    win.addEventListener(resizeEvt, recalc, false);
    doc.addEventListener('DOMContentLoaded', recalc, false);
})(document, window);
